BlackFog Privacy is a cybersecurity product designed to block outbound data flow and prevent unauthorized data exfiltration from devices and networks. It uses behavioral analysis and real-time monitoring to stop threats such as ransomware, spyware, malware, phishing, and unauthorized data collection. The product offers features like geofencing, ad blocking, and PowerShell defense, and ensures data remains on-device without cloud analysis, providing privacy and compliance with global data regulations.